Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/main/admin/index.php

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<?php // $Id: index.php 22269 2009-07-21 15:06:15Z juliomontoya $
/*
==============================================================================
Dokeos - elearning and course management software
Copyright (c) 2004-2009 Dokeos SPRL
Copyright (c) 2003 Ghent University (UGent)
Copyright (c) 2001 Universite catholique de Louvain (UCL)
Copyright (c) Olivier Brouckaert
For a full list of contributors, see "credits.txt".
The full license can be read in "license.txt".
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
See the GNU General Public License for more details.
Contact: Dokeos, rue du Corbeau, 108, B-1030 Brussels, Belgium, info@dokeos.com
==============================================================================
*/
/**
==============================================================================
* Index of the admin tools
*
* @package dokeos.admin
==============================================================================
*/
// name of the language file that needs to be included <br />
$language_file=array('admin','tracking');
// resetting the course id
$cidReset=true;
// including some necessary dokeos files
require('../inc/global.inc.php');
require_once(api_get_path(LIBRARY_PATH).'security.lib.php');
// setting the section (for the tabs)
$this_section=SECTION_PLATFORM_ADMIN;
// Access restrictions
api_protect_admin_script(true);
$nameTools = get_lang('PlatformAdmin');
// setting breadcrumbs
//$interbreadcrumb[] = array('url' => 'index.php', 'name' => $nameTools);
// setting the name of the tool
$tool_name=get_lang('PlatformAdmin');
// Displaying the header
Display::display_header($nameTools);
if(api_is_platform_admin())
{
if(is_dir(api_get_path(SYS_CODE_PATH).'install/') && is_readable(api_get_path(SYS_CODE_PATH).'install/index.php'))
{
Display::display_normal_message(get_lang('InstallDirAccessibleSecurityThreat'));
}
/*
==============================================================================
ACTION HANDLING
==============================================================================
*/
if (!empty($_POST['Register']))
{
register_site();
Display :: display_confirmation_message(get_lang('VersionCheckEnabled'));
}
/*
==============================================================================
MAIN SECTION
==============================================================================
*/
$keyword_url = Security::remove_XSS((empty($_GET['keyword'])?'':$_GET['keyword']));
}
if (api_is_platform_admin()) {
?>
<div class="admin_section">
<h4><?php Display::display_icon('members.gif', get_lang('Users')); ?> <?php echo api_ucfirst(get_lang('Users')); ?></h4>
<ul>
<li style="list-style-type:none"><form method="get" action="user_list.php">
<input type="text" name="keyword" value="<?php echo $keyword_url; ?>"/>
<button class="search" type="submit"> <?php echo get_lang('Search');?>
</button>
</form>
</li>
<li><a href="user_list.php?search=advanced"><?php echo api_ucfirst(get_lang('AdvancedSearch')); ?></a></li>
<li><a href="user_list.php"> <?php echo get_lang('UserList') ?></a></li>
<li><a href="user_add.php"> <?php echo get_lang('AddUsers') ?></a></li>
<li><a href="user_export.php"> <?php echo get_lang('ExportUserListXMLCSV') ?></a></li>
<li><a href="user_import.php"> <?php echo get_lang('ImportUserListXMLCSV') ?></a></li>
<li><a href="user_fields.php"> <?php echo get_lang('ManageUserFields'); ?></a></li>
</ul>
</div>
<?php
}
else
{
?>
<div class="admin_section">
<h4><?php Display::display_icon('members.gif', get_lang('Users')); ?> <?php echo api_ucfirst(get_lang('Users')); ?></h4>
<ul>
<li><a href="user_list.php"> <?php echo get_lang('UserList') ?></a></li>
<li><a href="../mySpace/user_add.php"> <?php echo get_lang('AddUsers') ?></a></li>
</ul>
</div>
<?php
}
if(api_is_platform_admin()) {
?>
<div class="admin_section">
<h4><?php Display::display_icon('course.gif', get_lang('Courses')); ?> <?php echo api_ucfirst(get_lang('Courses')); ?></h4>
<ul><li style="list-style-type:none"><form method="get" action="course_list.php">
<input type="text" name="keyword" value="<?php echo $keyword_url; ?>"/>
<button class="search" type="submit"> <?php echo get_lang('Search');?>
</button>
</form></li>
<li>
<a href="course_list.php?search=advanced"><?php echo api_ucfirst(get_lang('AdvancedSearch')); ?></a>
</li>
<li><a href="course_list.php"><?php echo get_lang('CourseList') ?></a></li>
<li><a href="course_add.php"><?php echo get_lang('AddCourse') ?></a></li>
<li><a href="course_import.php"><?php echo get_lang('ImportCourses'); ?></a></li>
<!--<li><a href="course_virtual.php"><?php //echo get_lang('AdminManageVirtualCourses') ?></a></li>-->
<li><a href="course_category.php"><?php echo get_lang('AdminCategories'); ?></a></li>
<li><a href="subscribe_user2course.php"><?php echo get_lang('AddUsersToACourse'); ?></a></li>
<li><a href="course_user_import.php"><?php echo get_lang('ImportUsersToACourse'); ?></a></li>
<?php if (api_get_setting('search_enabled')=='true') { ?>
<li><a href="specific_fields.php"><?php echo get_lang('SpecificSearchFields'); ?></a></li>
<?php } ?>
</ul>
</div>
<div class="admin_section">
<h4><?php Display::display_icon('settings.gif', get_lang('Platform')); ?> <?php echo api_ucfirst(get_lang('Platform')); ?></h4>
<ul>
<li><a href="settings.php"><?php echo get_lang('DokeosConfigSettings') ?></a></li>
<li><a href="system_announcements.php"><?php echo get_lang('SystemAnnouncements') ?></a></li>
<li><a href="languages.php"><?php echo get_lang('Languages'); ?></a></li>
<li><a href="configure_homepage.php"><?php echo get_lang('ConfigureHomePage'); ?></a></li>
<li><a href="statistics/index.php"><?php echo get_lang('ToolName'); ?> </a></li>
<li><a href="calendar.php"><?php echo get_lang('GlobalAgenda'); ?> </a></li>
<?php if(!empty($phpMyAdminPath)) { ?>
<li><a href="<?php echo $phpMyAdminPath; ?>" target="_blank"><?php echo get_lang("AdminDatabases"); ?></a><br />(<?php echo get_lang("DBManagementOnlyForServerAdmin"); ?>)</li>
<?php } ?>
<?php
if(!empty($_configuration['multiple_access_urls']))
{
echo '<li><a href="access_urls.php">'.get_lang('ConfigureMultipleAccessURLs').'</a></li>';
}
if (get_setting('allow_reservation')=='true') {
echo '<li><a href="../reservation/m_category.php">'.get_lang('BookingSystem').'</a></li>';
}
if (get_setting('allow_terms_conditions')=='true') {
echo '<li><a href="legal_add.php">'.get_lang('TermsAndConditions').'</a></li>';
}
?>
</ul>
</div>
<?php
}
if(api_get_setting('use_session_mode')=='true')
{
?>
<div class="admin_section">
<h4><?php Display::display_icon('agenda.gif', get_lang('Sessions')); ?> <?php echo get_lang('Sessions') ?></h4>
<ul>
<li style="list-style-type:none"><form method="POST" action="session_list.php">
<input type="text" name="keyword" value="<?php echo $keyword_url; ?>"/>
<button class="search" type="submit"> <?php echo get_lang('Search');?>
</button>
</form>
</li>
<li><a href="session_list.php"><?php echo get_lang('ListSession') ?></a></li>
<li><a href="session_add.php"><?php echo get_lang('AddSession') ?></a></li>
<li><a href="session_import.php"><?php echo get_lang('ImportSessionListXMLCSV') ?></a></li>
<li><a href="session_export.php"><?php echo get_lang('ExportSessionListXMLCSV') ?></a></li>
</ul>
</div>
<?php
}
else if(api_is_platform_admin())
{
?>
<div class="admin_section">
<h4><?php Display::display_icon('group.gif', get_lang('AdminClasses')); ?> <?php echo api_ucfirst(get_lang('AdminClasses')); ?></h4>
<ul>
<li style="list-style-type:none"><form method="get" action="class_list.php">
<input type="text" name="keyword" value="<?php echo $keyword_url; ?>"/>
<input class="search" type="submit" value="<?php echo get_lang('Search'); ?>"/>
</form>
</li>
<li><a href="class_list.php"><?php echo get_lang('ClassList'); ?></a></li>
<li><a href="class_add.php"><?php echo get_lang('AddClasses'); ?></a></li>
<li><a href="class_import.php"><?php echo get_lang('ImportClassListCSV'); ?></a></li>
<li><a href="class_user_import.php"><?php echo get_lang('AddUsersToAClass'); ?> CSV</a></li>
<li><a href="subscribe_class2course.php"><?php echo get_lang('AddClassesToACourse'); ?></a></li>
</ul>
<br />
<br />
</div>
<?php
}
if(api_is_platform_admin()){
?>
<div class="admin_section">
<h4><?php Display::display_icon('visio_meeting.gif', get_lang('ConfigureExtensions')); ?> <?php echo api_ucfirst(get_lang('ConfigureExtensions')); ?></h4>
<ul>
<li><a href="configure_extensions.php?display=visio"><?php echo get_lang('Visioconf'); ?></a></li>
<li><a href="configure_extensions.php?display=ppt2lp"><?php echo get_lang('Ppt2lp'); ?></a></li>
<?php
/* <li><a href="configure_extensions.php?display=ephorus"><?php echo get_lang('EphorusPlagiarismPrevention'); ?></a></li> */
?>
<li><a href="configure_extensions.php?display=search"><?php echo get_lang('SearchEngine'); ?></a></li>
<li><a href="configure_extensions.php?display=serverstats"><?php echo get_lang('ServerStatistics'); ?></a></li>
<li><a href="configure_extensions.php?display=bandwidthstats"><?php echo get_lang('BandWidthStatistics'); ?></a></li>
</ul>
</div>
<?php
if(isset($extAuthSource) && isset($extAuthSource['ldap']) && count($extAuthSource['ldap'])>0){
?>
<!-- dynamic ldap code -->
<div class="admin_section">
<h4><?php Display::display_icon('members.gif', 'LDAP'); ?> LDAP</h4>
<ul>
<li><a href="ldap_users_list.php"><?php echo get_lang('ImportLDAPUsersIntoPlatform');?></a></li>
<li><a href="ldap_import_students.php"><?php echo get_lang('ImportLDAPUsersIntoCourse');?></a></li>
<li><a href="ldap_import_students_to_session.php"><?php echo get_lang('ImportLDAPUsersIntoSession');?></a></li>
<!--li><a href="ldap_users_synchro.php"><?php echo get_lang('LDAPSynchroImportUsersAndStepsInSessions');?></a></li-->
</ul>
</div>
<!-- dynamic ldap code -->
<?php
}
?>
<div class="admin_section">
<h4><?php Display::display_icon('dokeos.gif', 'Dokeos'); ?> Dokeos.com</h4>
<ul>
<li><a href="http://www.dokeos.com/" target="_blank"><?php echo get_lang('DokeosHomepage'); ?></a></li>
<li><a href="http://www.dokeos.com/forum/" target="_blank"><?php echo get_lang('DokeosForum'); ?></a></li>
<li><a href="http://www.dokeos.com/extensions/" target="_blank"><?php echo get_lang('DokeosExtensions'); ?></a></li>
<li>
<?php
//try to display a maximum before we check the dokeos version and all that
//session_write_close(); //close session to avoid blocking concurrent access
flush(); //send data to client as much as allowed by the web server
//ob_flush();
echo get_lang('VersionCheck').': '.version_check();
?>
</li>
</ul>
</div>
<?php
}
/**
* Displays either the text for the registration or the message that the installation is (not) up to date
*
* @return string html code
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
* @version august 2006
* @todo have a 6monthly re-registration
*/
function version_check()
{
$tbl_settings = Database :: get_main_table(TABLE_MAIN_SETTINGS_CURRENT);
$sql = 'SELECT selected_value FROM '.$tbl_settings.' WHERE variable="registered" ';
$result = api_sql_query($sql,__FILE__,__LINE__);
$row=Database::fetch_array($result,'ASSOC');
// The site has not been registered yet
//if (api_get_setting('registered')=='false')
$return = '';
if ($row['selected_value']=='false')
{
$return .= '<form action="'.api_get_self().'" id="VersionCheck" name="VersionCheck" method="post">';
$return .= get_lang('VersionCheckExplanation');
$return .= '<input type="checkbox" name="donotlistcampus" value="1" id="checkbox" />'.get_lang('HideCampusFromPublicDokeosPlatformsList');
$return .= '<input type="submit" name="Register" value="'.get_lang('EnableVersionCheck').'" id="register" />';
$return .= '</form>';
}
else
{
// The site has been registered already but is seriously out of date (registration date + 15552000 seconds)
/*
if ((api_get_setting('registered') + 15552000) > mktime())
{
$return = 'It has been a long time since about your campus has been updated on Dokeos.com';
$return .= '<form action="'.api_get_self().'" id="VersionCheck" name="VersionCheck" method="post">';
$return .= '<input type="submit" name="Register" value="Enable Version Check" id="register" />';
$return .= '</form>';
}
else
{
*/
$return = 'site registered. ';
$return .= check_dokeos_version2();
//}
}
return $return;
}
/**
* This setting changes the registration status for the campus
*
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
* @version August 2006
*
* @todo the $_settings should be reloaded here. => write api function for this and use this in global.inc.php also.
*/
function register_site()
{
// Database Table Definitions
$tbl_settings = Database :: get_main_table(TABLE_MAIN_SETTINGS_CURRENT);
// the SQL statment
$sql = "UPDATE $tbl_settings SET selected_value='true' WHERE variable='registered'";
$result = api_sql_query($sql,__FILE__,__LINE__);
//
if ($_POST['donotlistcampus'])
{
$sql = "UPDATE $tbl_settings SET selected_value='true' WHERE variable='donotlistcampus'";
$result = api_sql_query($sql,__FILE__,__LINE__);
}
// reload the settings
}
/**
* Check if the current installation is up to date
* The code is borrowed from phpBB and slighlty modified
* @author The phpBB Group <support@phpbb.com> (the code)
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University (the modifications)
* @copyright (C) 2001 The phpBB Group
* @return language string with some layout (color)
*/
function check_dokeos_version2()
{
global $_configuration;
$dokeos_version = trim($_configuration['dokeos_version']); // the dokeos version of your installation
if (ini_get('allow_url_fopen')==1)
{
// the number of courses
$sql="SELECT count(code) FROM ".Database::get_main_table(TABLE_MAIN_COURSE);
$result=api_sql_query($sql,__FILE__,__LINE__);
$row = Database::fetch_array($result);
$number_of_courses = $row[0];
// the number of users
$sql="SELECT count(user_id) FROM ".Database::get_main_table(TABLE_MAIN_USER);
$result=api_sql_query($sql,__FILE__,__LINE__);
$row = Database::fetch_array($result);
$number_of_users = $row[0];
$version_url= 'http://www.dokeos.com/version.php?url='.urlencode(api_get_path(WEB_PATH)).'&campus='.urlencode(api_get_setting('siteName')).'&contact='.urlencode(api_get_setting('emailAdministrator')).'&version='.urlencode($dokeos_version).'&numberofcourses='.urlencode($number_of_courses).'&numberofusers='.urlencode($number_of_users).'&donotlistcampus='.api_get_setting('donotlistcampus').'&organisation='.urlencode(api_get_setting('Institution')).'&adminname='.urlencode(api_get_setting('administratorName').' '.api_get_setting('administratorSurname'));
$handle=@fopen($version_url,'r');
$version_info=trim(@fread($handle, 1024));
if ($dokeos_version<>$version_info)
{
$output='<br /><span style="color:red">' . get_lang('YourVersionNotUpToDate') . '. '.get_lang('LatestVersionIs').' <b>Dokeos '.$version_info.'</b>. '.get_lang('YourVersionIs').' <b>Dokeos '.$dokeos_version. '</b>. '.str_replace('http://www.dokeos.com','<a href="http://www.dokeos.com">http://www.dokeos.com</a>',get_lang('PleaseVisitDokeos')).'</span>';
}
else
{
$output = '<br /><span style="color:green">'.get_lang('VersionUpToDate').': Dokeos '.$version_info.'</span>';
}
}
else
{
$output = '<span style="color:red">' . get_lang('AllowurlfopenIsSetToOff') . '</span>';
}
return $output;
}
/**
* Check if the current installation is up to date
* The code is borrowed from phpBB and slighlty modified
* @author The phpBB Group <support@phpbb.com> (the code)
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University (the modifications)
* @copyright (C) 2001 The phpBB Group
* @return language string with some layout (color)
* @deprecated For some reason this code adds a 9 in front and a 0 at the end of what normally gets displayed by
the http://www.dokeos.com/version.php page (instead of version.txt) . That's why I chose to use fopen which requires however
that allow_url_open is set to true
*/
function check_dokeos_version()
{
global $_configuration; // the dokeos version of your installation
$dokeos_version = $_configuration['dokeos_version'];
if ($fsock = @fsockopen('www.dokeos.com', 80, $errno, $errstr))
{
@fputs($fsock, "GET /version.php HTTP/1.1\r\n");
@fputs($fsock, "HOST: www.dokeos.com\r\n");
@fputs($fsock, "Connection: close\r\n\r\n");
$get_info = false;
while (!@feof($fsock))
{
if ($get_info)
{
$version_info .= @fread($fsock, 1024);
}
else
{
if (@fgets($fsock, 1024) == "\r\n")
{
$get_info = true;
}
}
}
@fclose($fsock);
if (trim($dokeos_version)<>trim($version_info))
{
$output='<span style="color:red">' . get_lang('YourVersionNotUpToDate') . '. '.get_lang('LatestVersionIs').' <b>Dokeos '.$version_info.'</b>. '.get_lang('YourVersionIs').' <b>Dokeos '.$dokeos_version. '</b>. '.str_replace('http://www.dokeos.com','<a href="http://www.dokeos.com">http://www.dokeos.com</a>',get_lang('PleaseVisitDokeos')).'</span>';
}
else
{
$output = '<span style="color:green">'.get_lang('VersionUpToDate').': Dokeos '.$version_info.'</span>';
}
}
else
{
if ($errstr)
{
$output = '<span style="color:red">' . get_lang('ConnectSocketError') . ': '. $errstr . '</span>';
}
else
{
$output = '<span>' . get_lang('SocketFunctionsDisabled') . '</span>';
}
}
return $output;
}
/*
==============================================================================
FOOTER
==============================================================================
*/
Display::display_footer();
?>